1. One of the most resistant biological material is
2. Pollination by snails and slugs is
3. The phenomenon of pollen grains being transferred to stigma by air is called
4. Somaclonal varations are the ones
5. Roots are used in vegetative propagation of
6. Grafting is not possible in monocots as they
7. Movement of pollen tube towards embryo sac is
8. In angiosperms, triple fusion is required for formation of
9. Milky water of green coconut is
10. Entry of pollen tube through micropyle is
11. In angiosperms, syngamy or fertilization refers to
12. Famous embryologist of India who also advanced the science of morphology and tissue cuture in India is
13. Chromosome number in a flowering plant can be
14. In orthotropous ovule, the micropyle and chalaza are
15. Ovules of capsella and pisum sativum are
16. Ovule is inverted with body fused to funicle, micropyle lying close to hilum and facing the placenta. It is
17. Ovule is curved and the embryo sac is horse-shoe shaped. Micropyle, chalaza and funicle occur near one another. The ovule is
18. Polygonum type of embryo sac/female gametophyte of angiosperms is
19. The point of attachment of funicie with the body of the ovule is
20. Study of formation, growth and development of new individual from an egg is
21. Anthesis means
22. How many pollen mother cells will form 1000 pollen grains
23. Pollen grain is
24. When the pollen tube enters the ovule through the integuments, the phenomenon is known as
25. In animals, chalones are substances responsible for
26. Growth rate in childhood is controlled by
27. Branch of biology dealing with agening is
28. According to immunity theory, ageing is due to
29. The ability of animals to regenerate lost part was first reported by
30. In an agening person, there is a
31. Oogenesis consists of
32. Preparation of sperm before penetration of ovum is
33. Part of sperm involved in penetrating egg membrane is
34. In the development of Frog, gastrulation is followed by
35. Migration and rearrangement of cells during embryo development occur in
36. Total cleavage is possible in eggs
37. In a mammalian sperm, spirally arranged mitochondria around an axial filament occurs in
38. Sertoli cells occur in
39. Middle piece of mammalian sperm possesses
40. Enzyme hyaluronidase is synthesised in
41. Cowper's glands are found in
42. Clupein protein occurs in
43. Graafian follicles are found in
44. Testosterone is produced by
45. Acrosome reaction in sperm is triggered by
46. In telolecithal egg the yolk is found
47. Polar bodies develope during the formation of
48. In centrolectithal eggs, the cleavage is
49. Enzyme secreted by sperm is
50. 100 spermatozoa and 100 mature ova are formed by